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https://www.readbyqxmd.com/read/27919948/long-noncoding-rna-snar-regulates-proliferation-migration-and-invasion-of-triple-negative-breast-cancer-cells
#1
Jeeyeon Lee, Jin Hyang Jung, Yee Soo Chae, Ho Yong Park, Wan Wook Kim, Soo Jung Lee, Jae-Hwan Jeong, Seung Hee Kang
AIM: We evaluated the role of long noncoding ribonucleic acid (lncRNA) in breast cancer cell lines by quantitative reverse transcription-polymerase change reaction. MATERIALS AND METHODS: The effects of small NF90-associated RNA (snaR) with RNA interference on proliferation, migration and invasion of MDA-MB-231 cells were observed by 3-(4,5-dimethylthiazol-2yl)-2,5-diphenyltetrazolium bromide, wound healing and transwell assay. RESULTS: Among 90 lncRNAs, E2F transcription factor 4, p107/p130-binding (E2F4) antisense, insulin-like growth factor 2 antisense (IGF2AS), snaR, and small nucleolar RNA host gene 5 (SNHG5) were up-regulated in MDA-MB-231 and 7SK, antisense noncoding RNA in the INK4 locus (ANRIL), IGF2AS, Nespas, p53 mRNA, and snaR were up-regulated in MCF-7 cells...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919637/critical-hand-ischemia-treatment-via-orbital-atherectomy-a-single-center-observational-retrospective-analysis
#2
Abdul Bahro, Zsuzsanna Igyarto, Brad Martinsen
BACKGROUND/PURPOSE: Critical hand ischemia (CHI) can be devastating and may result in amputation. Distal vessel calcification has been shown to be a major factor in causing CHI. Atherectomy in the upper extremities is not typically considered due to the small anatomy; however, the Diamondback 360° Peripheral Orbital Atherectomy System (OAS) (Cardiovascular Systems, Inc.) can access treatment areas with a reference vessel diameter of 1.5mm. METHODS/MATERIALS: A retrospective, observational, single center (Merit Health Center, Jackson, MS) analysis of 11 CHI patients with calcific disease of the radial artery treated with orbital atherectomy (OAS) was completed...
October 29, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/27919618/electric-field-induced-suppression-of-pten-drives-epithelial-to-mesenchymal-transition-via-mtorc1-activation
#3
Tiantian Yan, Xupin Jiang, Xiaowei Guo, Wen Chen, Di Tang, Junhui Zhang, Xingyue Zhang, Dongxia Zhang, Qiong Zhang, Jiezhi Jia, Yuesheng Huang
BACKGROUND: Naturally occurring electric fields (EFs) are an intrinsic property of wounds. Endogenous EFs in skin wounds play critical roles in the dynamic and well-ordered biological process of wound healing. The epithelial-to-mesenchymal transition (EMT) allows keratinocytes to transition from sedentary cells to motile cells, facilitating wound healing. However, EMT-related studies have been performed without considering endogenous EFs. Thus, the relationship between electrical signals and the EMT remain elusive...
November 18, 2016: Journal of Dermatological Science
https://www.readbyqxmd.com/read/27919597/axiographic-results-of-cad-cam-assisted-microvascular-fibular-free-flap-reconstruction-of-the-mandible-a-prospective-study-of-21-consecutive-cases
#4
Lucas M Ritschl, Thomas Mücke, Andreas M Fichter, Maximilian Roth, Clemens Kaltenhauser, Jean Marc Pho Duc, Marco R Kesting, Klaus-Dietrich Wolff, Denys J Loeffelbein
Virtual planning and guided reconstruction of the mandible following ablative surgery have become standard procedures in reconstructive surgery. Many advantages regarding operation time, morphology, bony fit, and consolidation have been described, but analyses of the functional outcome of virtually planned mandibular reconstructions are lacking. We prospectively analyzed 21 consecutive cases of mandibular reconstructions using CAD/CAM-assisted microvascular, fibular free flaps in operations between July 2014 and January 2016 at a single center...
November 12, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27919449/nonsteroidal-anti-inflammatory-drugs-may-affect-cytokine-response-and-benefit-healing-of-combat-related-extremity-wounds
#5
Felipe A Lisboa, Matthew J Bradley, Matthew T Hueman, Seth A Schobel, Beverly J Gaucher, Edda L Styrmisdottir, Benjamin K Potter, Jonathan A Forsberg, Eric A Elster
BACKGROUND: After adequate operative debridement and antimicrobial therapies, combat-related extremity wounds that either heal or fail are both associated with a distinct inflammatory response. Short-term use of nonsteroidal anti-inflammatory drugs in postoperative pain management may affect this response and, by consequence, the healing potential of these wounds. We investigated whether patients treated with nonsteroidal anti-inflammatory drugs had a distinct inflammatory response; different rates of critical colonization, defined as >10(5) colony forming units on quantitative bacteriology; and healing potential...
December 2, 2016: Surgery
https://www.readbyqxmd.com/read/27919320/calcium-mediated-actin-reset-caar-mediates-acute-cell-adaptations
#6
Pauline Wales, Christian E Schuberth, Roland Aufschnaiter, Johannes Fels, Ireth García-Aguilar, Annette Janning, Christopher P Dlugos, Marco Schäfer-Herte, Christoph Klingner, Mike Wälte, Julian Kuhlmann, Ekaterina Menis, Laura Hockaday Kang, Kerstin C Maier, Wenya Hou, Antonella Russo, Henry N Higgs, Hermann Pavenstädt, Thomas Vogl, Johannes Roth, Britta Qualmann, Michael M Kessels, Dietmar E Martin, Bela Mulder, Roland Wedlich-Söldner
Actin has well established functions in cellular morphogenesis. However, it is not well understood how the various actin assemblies in a cell are kept in a dynamic equilibrium, in particular when cells have to respond to acute signals. Here, we characterize a rapid and transient actin reset in response to increased intracellular calcium levels. Within seconds of calcium influx, the formin INF2 stimulates filament polymerization at the endoplasmic reticulum (ER), while cortical actin is disassembled. The reaction is then reversed within a few minutes...
December 6, 2016: ELife
https://www.readbyqxmd.com/read/27919120/reconstructive-surgery-for-treating-pressure-ulcers
#7
REVIEW
Jason Kf Wong, Kavit Amin, Jo C Dumville
BACKGROUND: The management of pressure ulcers involves several interventions ranging from pressure-relieving measures such as repositioning, to treatments that can include reconstructive surgery. Such surgery may be considered for recalcitrant wounds when full thickness skin loss arises and deeper structures such as muscle fascia and even bone are exposed. The surgery commonly involves wound debridement followed by the addition of new tissue into the wound. Whilst reconstructive surgery is an accepted means of ulcer management, the benefits and harms of surgery compared with non-surgical treatments, or alternative surgical approaches are not clear...
December 6, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27919113/analysis-of-flap-weight-and-postoperative-complications-based-on-flap-weight-in-patients-undergoing-microsurgical-breast-reconstruction
#8
Gretl Lam, Katie E Weichman, Patrick L Reavey, Stelios C Wilson, Jamie P Levine, Pierre B Saadeh, Robert J Allen, Mihye Choi, Nolan S Karp, Vishal D Thanik
Background Higher body mass index (BMI) has been shown to increase postoperative complications in autologous breast reconstruction. However, the correlation with flap weight is unknown. Here, we explore the relationship of flap weights and complication rates in patients undergoing microvascular breast reconstruction. Methods Retrospective chart review identified all patients undergoing microvascular breast reconstruction with abdominally based flaps at a single institution between November 2007 and April 2013...
December 5, 2016: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/27918967/nanoencapsulation-an-efficient-and-promising-approach-to-maximize-wound-healing-efficacy-of-curcumin-a-review-of-new-trends-and-state-of-the-art
#9
REVIEW
Zahid Hussain, Hnin Ei Thu, Shiow-Fern Ng, Shahzeb Khan, Haliza Katas
Wound healing is a multifarious and vibrant process of replacing devitalized and damaged cellular structures, leading to restoration of the skin's barrier function, re-establishment of tissue integrity, and maintenance of the internal homeostasis. Curcumin (CUR) and its analogs have gained widespread recognition due to their remarkable anti-inflammatory, anti-infective, anticancer, immunomodulatory, antioxidant, and wound healing activities. However, their pharmaceutical significance is limited due to inherent hydrophobic nature, poor water solubility, low bioavailability, chemical instability, rapid metabolism and short half-life...
November 30, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27918883/platelet-rich-plasma-in-androgenic-alopecia-indications-technique-and-potential-benefits
#10
REVIEW
Elie M Ferneini, Daniel Beauvais, Concetta Castiglione, Moniek V Ferneini
PURPOSE: The purpose of this study was to provide an overview of platelet-rich plasma (PRP) injected into the scalp for the management of androgenic alopecia. MATERIALS AND METHODS: A literature review was performed to evaluate the benefits of PRP in androgenic alopecia. RESULTS: Hair restoration has been increasing. PRP's main components of platelet-derived growth factor, transforming growth factor, and vascular endothelial growth factor have the potential to stimulate hard and soft tissue wound healing...
November 15, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27917832/1-45%C3%A2-%C3%A3-resolution-structure-of-srpn18-from-the-malaria-vector-anopheles-gambiae
#11
David A Meekins, Xin Zhang, Kevin P Battaile, Scott Lovell, Kristin Michel
Serine protease inhibitors (serpins) in insects function within development, wound healing and immunity. The genome of the African malaria vector, Anopheles gambiae, encodes 23 distinct serpin proteins, several of which are implicated in disease-relevant physiological responses. A. gambiae serpin 18 (SRPN18) was previously categorized as non-inhibitory based on the sequence of its reactive-center loop (RCL), a region responsible for targeting and initiating protease inhibition. The crystal structure of A. gambiae SRPN18 was determined to a resolution of 1...
December 1, 2016: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/27917814/protective-effect-of-intravesical-platelet-rich-plasma-on-cyclophosphamide-induced-hemorrhagic-cystitis
#12
E Ozyuvali, M E Yildirim, T Yaman, B Kosem, E Cimentepe
PURPOSE: Hemorrhagic cystitis (HC) is the most common urotoxic side effect of cyclophosphamide (CYP). Platelet rich plasma (PRP) plays an important role in wound healing and inflammatory responses. The aim of this study was to investigate the efficacy of intravesical PRP at treatment of interstitial cystitis (IC). METHODS: Female rats (n=24) were used. IC was induced by intraperitoneal injection of cyclophosphamide (CYP) and rats were randomly allocated to one of four groups (n = 6 per group): A control group; a sham group with saline (75 mg/kg; i...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27917804/protective-effect-of-intravesical-platelet-rich-plasma-on-cyclophosphamide-induced-hemorrhagic-cystitis
#13
E Ozyuvali, M E Yildirim, T Yaman, B Kosem, O Atli, E Cimentepe
PURPOSE: Hemorrhagic cystitis (HC) is the most common urotoxic side effect of cyclophosphamide (CYP). Platelet rich plasma (PRP) plays an important role in wound healing and inflammatory responses. The aim of this study was to investigate the efficacy of intravesical PRP at treatment of interstitial cystitis (IC). MATERIAL-METHODS: Female rats (n=24) were used. IC was induced by intraperitoneal injection of cyclophosphamide (CYP). Rats were randomly allocated to one of four groups (n = 6 per group): a control group; a sham group with saline (75 mg/kg; i...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27917718/the-role-of-rho-kinase-inhibitors-in-corneal-endothelial-dysfunction
#14
Naoki Okumura, Shigeru Kinoshita, Noriko Koizumi
BACKGROUND: The cornea is transparent tissue that serves as the window of the eye, allowing light to enter from the outer environment. The corneal endothelium maintains corneal transparency; thus, its dysfunction results in corneal haziness and causes severe vision loss. The only available therapeutic choice for treating corneal endothelial dysfunction has been transplantation using donor corneas; consequently, researchers have been pressed to develop new therapeutic options. METHODS: The goal of the review is to provide an overview of the research into Rho kinase (ROCK) inhibitors in the field of corneal endothelium therapy and the potential for clinical use of ROCK inhibitors...
December 5, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27917311/rock-inhibition-promotes-attachment-proliferation-and-wound-closure-in-human-embryonic-stem-cell-derived-retinal-pigmented-epithelium
#15
Roxanne H Croze, William J Thi, Dennis O Clegg
PURPOSE: Nonexudative (dry) age-related macular degeneration (AMD), a leading cause of blindness in the elderly, is associated with the loss of retinal pigmented epithelium (RPE) cells and the development of geographic atrophy, which are areas devoid of RPE cells and photoreceptors. One possible treatment option would be to stimulate RPE attachment and proliferation to replace dying/dysfunctional RPE and bring about wound repair. Clinical trials are underway testing injections of RPE cells derived from pluripotent stem cells to determine their safety and efficacy in treating AMD...
November 2016: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/27916907/metformin-inhibits-tgf-%C3%AE-1-induced-epithelial-to-mesenchymal-transition-via-pkm2-relative-mtor-p70s6k-signaling-pathway-in-cervical-carcinoma-cells
#16
Keyan Cheng, Min Hao
BACKGROUND: Epithelial-to-mesenchymal transition (EMT) plays a prominent role in tumorigenesis. Metformin exerts antitumorigenic effects in various cancers. This study investigated the mechanisms of metformin in TGF-β1-induced Epithelial-to-mesenchymal transition (EMT) in cervical carcinoma cells. METHODS: cells were cultured with 10 ng/mL TGF-β1 to induce EMT and treated with or without metformin. Cell viability was evaluated by CCK-8 (Cell Counting Kit 8, CCK-8) assay; apoptosis were analyzed by flow cytometry; cell migration was evaluated by wound-healing assay...
November 30, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916629/chitosan-nanoparticles-as-a-dual-drug-sirna-delivery-system-for-treatment-of-colorectal-cancer
#17
Sanam Sadreddini, Reza Safaralizadeh, Behzad Baradaran, Leili Aghebati-Maleki, Mohammad Ali Hosseinpour-Feizi, Dariush Shanehbandi, Farhad Jadidi-Niaragh, Sevil Sadreddini, Hossein Samadi Kafil, Vahid Younesi, Mehdi Yousefi
Nanoparticles are widely used to deliver anticancer drugs and inhibit tumor growth without systemic toxicity. Recently, chitosan has received much attention as a functional biopolymer for encapsulation of small interfering RNA (siRNA). Because of cationic nature, chitosan efficiently encapsulate siRNA and forming nanoparticles. Moreover, biocompatible and biodegradable properties represent chitosan as potential candidate for in vivo siRNA delivery. In the present study we designed carboxymethyl dextran (CMD) chitosan nanoparticles (ChNPs) to encapsulat snail siRNA and anticancer drug doxorubicin (DOX)...
December 1, 2016: Immunology Letters
https://www.readbyqxmd.com/read/27916359/long-term-follow-up-of-fournier-s-gangrene-in-a-tertiary-care-center
#18
David R Rosen, Mitchell E Brown, Kyle G Cologne, Glenn T Ault, Aaron M Strumwasser
BACKGROUND: After surgical debridement, the use of fecal diversion systems (such as an endo-rectal tube or surgical colostomy) in Fournier's Gangrene (FG) to assist with wound healing remains controversial. METHODS: A 6-y retrospective review of a tertiary medical center emergency surgery database was conducted. Variables abstracted from the database include patient demographics, laboratory and physiological profiles, hospital length-of-stay, intensive care unit length-of-stay, operative data, time to healing, morbidity, and mortality...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27916062/-perioperational-management-of-gynecological-cancer-patients-with-severe-internal-medical-complications-a-serial-of-37-clinical-cases
#19
J Hu, W Q Lyu, Y L Guo, H W Wen, H Qiao, Y Qu
Objective: To evaluate the effectiveness and safety of perioperational management of gynecological cancer patients with severe internal medical complications. Methods: We collected 37 cases of gynecological cancer patients with severe internal medical complications who were hospitalized in Peking University First Hospital from Jan. 2010 to Nov. 2014. All of the cases were planned to move to ICU right after operation based on the preoperational assessment of anesthetist and physician. The median age was 69.4 years, and 25 cases (68%,25/37) of them were over 70 years old...
November 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27915402/an-easy-to-use-wound-dressing-gelatin-bioactive-nanoparticle-gel-and-its-preliminary-in-vivo-study
#20
Chen Wang, Feiyan Zhu, Yang Cui, Huihui Ren, Yue Xie, Ailing Li, Lijun Ji, Xiaozhong Qu, Dong Qiu, Zhenzhong Yang
Beyond promoting hard tissue repairing, bioactive glasses (BGs) have also been proved to be beneficial for wound healing. Nano-scale BGs prepared by sol-gel method were found to have a better performance as they have a larger specific surface area. In this work, bioactive nanoparticles (nBPs) with mean diameter of 12 nm (BP-12) instead of conventional BGs were mixed with gelatin to form an easy-to-use hydrogel as a dressing for skin wound. It was found that the composite of BP-12 and gelatin could form a hydrogel (BP-12/Gel) under 25 °C, which showed pronounced thixotropy at a practically accessible shear rate, therefore become easy to be used for wound cover...
January 2017: Journal of Materials Science. Materials in Medicine
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